python 判断是否是正负整数

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python 判断是否是正负整数

为了删除小数，但是不能删除1.0这样的情况

def is_number(s):"""判断是否是正负整数Args:s: 数字Returns: bool类型"""s = str(s)if s.count('.') == 1:  # 小数new_s = s.split('.')left_num = new_s[0]right_num = new_s[1]if right_num.isdigit() and int(right_num) != 0:if left_num.isdigit():return Falseelif left_num.count('-') == 1 and left_num.startswith('-'):  # 负小数tmp_num = left_num.split('-')[-1]if tmp_num.isdigit():return Falseelif int(right_num) == 0:return Trueelif s.count(".") == 0:  # 整数if s.isdigit():return Trueelif s.count('-') == 1 and s.startswith('-'):  # 负整数ss = s.split('-')[-1]if ss.isdigit():return Truereturn False